Southwest Airlines plane. Credit: Diego M. Radzinschi/ALM

On the heels of several significant Employee Retirement Income Security Act ERISA class settlements in 2024, Southwest Airlines was hit with a class action lawsuit, alleging it breached basic fiduciary duties under ERISA and violated its fiduciary duties by mismanaging the company’s Retirement Savings Plan, after 15 years of “chronic underperformance,” according to an announcement yesterday from Sanford Heisler Sharp McKnight. The law firm filed a lawsuit in the U.S. District Court for the Northern District of Texas on behalf of the plaintiffs.

In December 2024, Sanford Heisler filed for preliminary approval of a record $69 million settlement in its multi-year class action against UnitedHealth over “low performing” 401(k) funds. In 2023, the law firm also obtained final approval of a $61 million settlement in a long-running ERISA class action against General Electric. These settlement amounts are believed to be the largest ever of an ERISA case, stemming from poorly performing investment options in a 401(k) plan, according to the law firm. 

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